pit falls quiz

Question 1

Shannon diversity is denoted by

Answer 1

H

Question 2

scale of shannon diversity:

Answer 2

0 to infinity: where higher # indicates greater diversity

Question 3

H=0 means

Answer 3

the community has 1 species

Question 4

what is Shannon’s diversity index?

Answer 4

a way to measure the diversity of species in a community

Question 5

the intermediate disturbance hypothesis (IDH) suggests that

Answer 5

local species diversity is maximized when ecological disturbance is neither too rare nor too frequent

Question 6

at low levels of disturbance…

Answer 6

Strong organisms outcompete weaker ones, leading to the weaker ones dying out and the strong ones becoming the dominant species in the ecosystem.

Question 7

at high levels of disturbance…

Answer 7

all species are at risk of extinction

Question 8

examples of high levels of disturbance

Answer 8

frequent forest fires or deforestation

Question 9

y axis

Answer 9

species diversity

Question 10

x axis

Answer 10

frequency of disturbance

Question 11

recessional species indicate

Answer 11

the stage of growth after a big disaster

Question 12

what is Shannon’s diversity index?

Answer 12

a way to measure the diversity of species in a community

Question 12

recessional species order (roughly)

Answer 12

1. moss/lichen
2. grass/shrubs
3. alder trees (introduce nitrogen)
4. trees
5. DIVERSITY